.full-page{
    height: 90vh;
    width: 100%;
}

.full-page .container .row .col-12{
    height: 90vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.full-page .container .row .col-12 h1{
    font-size: 5rem;
}